A million-dollar math mystery may someday be resolved in a physics lab. A new study brings this vision one step closer.

Arika Kundu was named a top 10 finalist in the 3M Young Scientist Challenge, a national competition that encourages middle school students to develop innovative solutions to real-world problems.

Good morning, and welcome to Gerdau's second quarter 2026 results presentation. I am Ariana Pereira, Investor Relations Specialist. And joining us on this conference call are our CEO, Gustavo Werneck; ...